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andrey2020 [161]
3 years ago
13

What are the purposes of a chemical equation? Check all that apply.

Chemistry
1 answer:
Jlenok [28]3 years ago
5 0

Answer:

to show how substances in a chemical reaction interact

to shorten the explanation of a chemical reaction

to help keep track of atoms in a chemical reaction

Explanation:

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Characteristic of meteor​
Sati [7]

Explanation:

Many meteorites have iron or nickel in them, so they are heavier (and denser) than Earth rocks. Some meteorites have pits (regmaglypts) on the outside, which look like deep thumbprints. Meteorites are not bubbly, and do not have holes. Meteorite are usually not round.

8 0
3 years ago
What is the correct number of valence electrons in the element sulfur
aniked [119]
Sulfur has 6 Valence electrons
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3 years ago
Salt seems to dissappear when it is poured into water. Use mixture, solution, and dissolve to explain what happens.
fgiga [73]
The salt desolves into the water which forms a solution which is called a mixture.
8 0
4 years ago
if oxygen and carbon monoxide (both at same temp) are released into the room, which would diffuse faster? Why?
Gnoma [55]
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4 0
4 years ago
Type the following formulas in the boxes in order of increasing boiling point: RbF, CO2, CH3OH, CH3Br.
Delvig [45]

Answer:

CO2 < CH3Br < CH3OH < RbF

Explanation:

The boiling point of the compounds can be determined in terms of the strength of the intermolecular forces present in each compound.

Intermolecular forces are weak forces joining non-polar and polar molecules together. We have London dispersion forces, dipole-dipole forces of attraction, and hydrogen bonding.

London dispersion forces are weak attractions found between non-polar and polar symmetrical molecules. They are the weakest of all the electrical forces and they act between atoms and molecules e.g CO2

The dipole-dipole attractions are forces of attraction existing between polar unsymmetrical molecules. The dipole-dipole force of attractions is much stronger than London dispersion forces but weaker than Hydrogen bonding. e.g  CH3Br

Hydrogen bonding is a special dipole-dipole attraction between polar molecules in which a hydrogen atom is directly joined to a highly electronegative atom (e.g. oxygen, nitrogen, or fluorine). Here, the bond in CH3OH is a hydrogen bond.

Ionic bonding is a bond that is formed between two kinds of atoms having a large electronegative difference such as in RbF,

Thus, in increasing order of boiling point;

CO2 < CH3Br < CH3OH < RbF

3 0
3 years ago
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